Specification Brand : Puepoul BulletPoint1 : Enhance Accuracy: Our optical right angle prism ensures precise measurements with its 90-degree reflective design, ideal for detecting slopes, tunnels, and more. BulletPoint2 : Robust Construction: Crafted from high-quality optical glass and Perdurable ABS material, this prism reflective device guarantees reliability in various field applications. BulletPoint3 : Versatile Application: This optical prism is indispensable for tasks in railways, highways, mines, and dams, providing consistent performance and dependable results. BulletPoint4 : Optimal Visibility: Featuring an effective diameter of approximately 25.4mm, our right angle prism maximizes light reflection, ensuring clear visibility in diverse environmental conditions. BulletPoint5 : Convenient Setup: The L shape stand design of our optical right angle prism facilitates stable placement and hassle operation during use in challenging terrain. Color : PV λ/4 ItemName : Right Angle Prism with L Shape Stand 90 Degree, Double Sided Optical Glass Reflection Prism for Precise Measurement and Optical Experiments ItemPackageDimensions_Height : 8 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 8 centimeters ItemTypeKeyword : science-classroom-optics-kits Manufacturer : Puepoul ModelName : SK-18 ModelNumber : Puepoul6dmra5hwsg NumberOfItems : 1 PartNumber : Puepoul6dmra5hwsg ProductDescription : Item Type: Right Angle Prism Material: Optical Glass, ABS Color: Black Constant: -25mm Effective Diameter: Approx. 25.4mm / 1in Application: For tunnels, railways, mines, highways, dams, steep slopes detection, etc.